Royal Mirrors Technology / Science in Tremanac | World Anvil

Royal Mirrors

Enchanted mirrors that are used to communicate between kingdoms.


Each mirror consists of 5ft tall polished metal surface covered by a thin sheet of clear crystal. at the top of the reflective surface is a gemstone. The type of gemstone is different for each mirror. The frame of each mirror is also unique and is designed to fit in with the decor used by the ruler it was gifted. One thing the frames do have in common is a small slot on the right hand side.   In order to use the mirror one must select a small gemstone that corresponds to the gemstone in the mirror that is to be called. These calling gemstones were cut and enchanted at the same time as the mirrors and without them it is impossible to call another mirror. The small calling stone must be placed in the slot on the right of the mirror. When this is done the large gemstone on the mirror being called will pulse with light and a message will appear on that mirror indicating which mirror is attempting to connect. If those on the receiving end which to answer they must place the corresponding gemstone in the slot in their mirror. If a connection is made then those standing infront of the pair of mirrors will be able to see and speak with each other. The connection can be broken at any time by removing the small gem from the slot on the right.
Security Breach?
As they use divination magic these mirrors present a potential security threat as they may present a way for a spellcaster to spy on a location. Not only are the mirrors themselves a potential problem, in order to be able to use them requires that there be a break in the defences against scrying magic that are part of most palaces' defences.
Most kingdoms agreed a protocol for using these mirrors in order to prevent the monarch/emperor/supreme leader from having to wait for a mirror to connect. Servants were set to keep watch on a mirror and if a call was made they would accept it and arrange for a time when two functionaries could meet to agree on a time for the either the rulers or their representatives can meet to discuss matters. Preventing the servants from answering calls from cretain nations was a simply a matter of tkaing away the corresponding gemstones.
Access & Availability
These mirrors were hugely expensive to produce and the process for creating them was a closely guarded secret. Given the potential dangers if they were used by dangerous parties no attempts were made to improve the process. The few dozen that were produced were gifted to the rulers of the most powerful nations in The Alliance to ensure they could communicate with each other.
Lost Devices and keys
The mirrors were lost in the chaos of the War of Ascension. While some were recovered during the third age, many of the small gems used for connecting the mirrors remain lost, preventing the mirror from being reconnected.
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Cover image: The party's camp by Tanai Cuinsear


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Jul 25, 2023 18:58 by Marc Zipper

Love this idea. I was picturing that someone would have an address book with names and next to the names a slot for the smallest gemstone to be in. Very cool mirrors like how they function

Let's have fun creating the impossible, building new worlds, and all types of possibilities. Valcin
Jul 26, 2023 14:09 by Tanai Cuinsear

Pretty much what I was planning for some of the owners. It provides so many possibilities for chaos if someone switches the gems in the address book around.

Aug 6, 2023 19:39 by Terion Chemare

Ooh, interesting way to do mirror communication. Usually, it's something moveable or an incantation but a gem keyed to the specific mirror is an interesting touch.   So did all of the rulers have sets of gemstones to call all of the other rulers? What's the way to differentiate these gems from other gems? Is there something particularly special about them or could they still be hiding in plain sight?   I like that they were potentially a security breach if given the right circumstances. I think lots of times mirror communication is pretty solid and unbreakable, but I feel like giving things flaws makes them more interesting.   (Also, just a note, the first paragraph is currently repeating. It took me a second to realize it initially.)

Amidst the mists and coldest frosts,
with stoutest wrists and loudest boasts,
he thrusts his fists against the posts
and still insists he sees the ghosts.
Aug 6, 2023 20:44 by Tanai Cuinsear

You’re the first to point out the repeating paragraph so points for paying attention (I clearly need to pay more attention when copying from a text editor).   The gems look like any other gems (unless anyone checks for magic) and there were complete sets for each mirror. There will be probably be an adventure focused on locating some of them in the near future..

Aug 6, 2023 21:59 by Terion Chemare

I too have been the victim of duplicate copying from a text editor. They are pesky creatures sometimes.   And oooh, exciting! Hopefully someone in the party knows how to use Detect Magic then or they're going to be carrying around a lot of gems until they reach a town.

Amidst the mists and coldest frosts,
with stoutest wrists and loudest boasts,
he thrusts his fists against the posts
and still insists he sees the ghosts.